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Mar 21, 2026

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Four Pull Tabs Before the Silver Appeared

Metal Detecting

Target ID 48. I will not dig any more pull tabs today. Dug a 48. It was a pull tab.

outdoors electronics history collecting audio

code-a-day

Finding Treasure in Signal Peaks

Peak Detection Algorithm 🔗 Metal Detecting

Every beep from a metal detector represents a peak in an electromagnetic field—here's how algorithms spot them.

algorithmsfundamentalssignal-processingpatterns

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🎮 Ground Truth Deploy geophones, analyze seismic waveforms, and triangulate the epicenter of hidden underground events.